{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x43b77ad15fe0de5eb2c69f1df1167f7f535288e50803f0a58bda26dfc8f591c8",
    "signature": "0x0e8806bef31aa236e48eee5ed7a4e5db53de04357e3b0518e7099a68a32443fa3f364a2053a6da2892b7d514a315166896a2a08dcf0ca1a826a03c626b3467221b",
    "signer": "0xf82e52e1920c814E22ec3E3F972d631F0e582b58",
    "userId": "880056325"
  }
}